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What is an interceptor?

A two-stage interceptor, also known as a separator, is a filter system which separates common oils and contaminants from wastewater before it enters the main sewage system. The pollutants are then stored in the interceptor to be removed and disposed of appropriately. Wastewater enters into the first chamber of the interceptor through an inlet. It […]

The Dirty Dozen

At UKDN Waterflow, we’ve put together our Drainage Dirty Dozen so that you know how to keep your drainage systems — at work and at home — happy and healthy. We’ve even created a downloadable poster which you can print and display to help spread awareness about good drainage practices. Click here to download your Dirty […]

What is a p trap gully?

A p trap gully stops smells from the underground drainage system from seeping out into the air around a property. P traps gullys are available with 90-degree or 45-degree outlet pipes. The top of the gully attaches to a hopper which collects rain and wastewater. Hoppers are either rectangular or square in shape. The outlet […]

What is a manhole/inspection chamber?

A manhole, or inspection chamber, is an access point to an underground drainage system. It allows the drains to be cleaned, cleared and inspected when required. These chambers are typically installed: a) where a branch pipe joins a main drainage run in the system b) when there is a straight run of piping over 22-metres […]

What is a soil vent pipe?

What is a soil vent pipe? A soil vent pipe (SVP), also known as a soil stack pipe or a drain-waste-vent (DWV), runs vertically from the underground drainage system to the top of the property, just above roof gutter level. SVPs are typically located externally, however internal SVPs may be fitted inside a property’s outer […]

What is a septic tank?

A septic tank collects and treats wastewater at a property that is not connected to the mains sewer system. Installed underground, a septic tank makes use of natural processes to treat the sewage it stores. Usually made up of two chambers or compartments, the tank receives wastewater from an inlet pipe. Wastewater enters the first […]

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